n. & v.
n. 1 any large marine crustacean of the family Nephropidae, with stalked eyes and two pincer-like claws as the first pair of ten limbs. 2 its flesh as food.
v.intr. catch lobsters. lobster-pot a basket in which lobsters are trapped. lobster thermidor a mixture of lobster meat, mushrooms, cream, egg yolks, and sherry, cooked in a lobster shell.
[ OE lopustre, corrupt. of L locusta crustacean, locust: thermidor f. the name of the 11th month of the Fr. revolutionary calendar ]